Amazon Linux 2 Security Advisory: ALAS-2020-1434
Advisory Release Date: 2020-06-03 18:24 Pacific
Advisory Updated Date: 2020-06-03 19:02 Pacific
A buffer overflow in the fribidi_get_par_embedding_levels_ex() function in lib/fribidi-bidi.c of GNU FriBidi through 1.0.7 allows an attacker to cause a denial of service or possibly execute arbitrary code by delivering crafted text content to a user, when this content is then rendered by an application that uses FriBidi for text layout calculations. Examples include any GNOME or GTK+ based application that uses Pango for text layout, as this internally uses FriBidi for bidirectional text layout. For example, the attacker can construct a crafted text file to be opened in GEdit, or a crafted IRC message to be viewed in HexChat. (CVE-2019-18397)
Affected Packages:
fribidi
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update fribidi to update your system.
aarch64:
fribidi-1.0.2-1.amzn2.1.aarch64
fribidi-devel-1.0.2-1.amzn2.1.aarch64
fribidi-debuginfo-1.0.2-1.amzn2.1.aarch64
i686:
fribidi-1.0.2-1.amzn2.1.i686
fribidi-devel-1.0.2-1.amzn2.1.i686
fribidi-debuginfo-1.0.2-1.amzn2.1.i686
src:
fribidi-1.0.2-1.amzn2.1.src
x86_64:
fribidi-1.0.2-1.amzn2.1.x86_64
fribidi-devel-1.0.2-1.amzn2.1.x86_64
fribidi-debuginfo-1.0.2-1.amzn2.1.x86_64